/Engine/Source/Runtime/Core/Public/Containers/SortedMap.h
Creates a const iterator over the values associated with a specified key in a map. This will be at most one value because keys must be unique
[TConstKeyIterator](API\Runtime\Core\Containers\TSortedMap\TConstKeyIterator) CreateConstKeyIterator ( [KeyInitType](API\Runtime\Core\Containers\TSortedMap\KeyInitType) InKey ) const